Fantini Cosmi S71 Manual


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Side 1/2
8
S71-S72
Gas detection sensors for control units P30A
Combustible gas detection sensors to be used with the electronic control units P30A. The sensors are available
in 2 versions: S71 for methane gas and city gas, S72 for LPG.
INSTALLATION
Wall mounting.
order to allow natural air circulation:
S71 for specific light gases (methane gas, city gas), this sensor has to be installed at a high level approximately 30-40 cm from
the ceiling.
S72 for heavy gases (cylinder liquid gas LPG), this sensor has to be installed to a low level approximately 30-40 cm above the floor.
Avoid installing the sensors:
behind barriers that hinder the air natural circulation in the environment.
near vents (keeping a minimum distance of 2 meters).
away from steam, smoke and other fumes.
Remove the cover by unscrewing the four front screws.
Install the base on the wall using for the cable input the appropriate cable gland.
76
128
65
Dimensions (mm)
Gas type Operating ambient
temperature
Protection
degree
S71 Methane gas, or other light gases - 10 ÷ 50 °C IP54
S72 LPG gas (cylinder liquid gas) or other heavy gases - 10 ÷ 50 °C IP54
9
ELECTRICAL CHARACTERISTICS
Casing in shockproof insulating material.
Green LED to indicate power supply.
Red LED to indicate triggering.
Orange LED to indicate sensor failure.
Positive safety connections with the detector (the control unit detects an error, in case of incorrect connections or interruption of
the connection).
Unit weight 0,18 Kg.
OPERATION
The intervention threshold of the sensors is adjusted in the factory to a value that allows the signaling of gas presence at a concentration
much lower than the danger limits.
The sensors are provided with an intervention light signaling and the connections with the control unit have positive safety (their
disconnection causes the detector intervention).
A Voltage indicator: always switched on.
B Sensor failure indicator.
C Alarm sensor indicator: normally switched off, it operates and remains on for all the time
during which the detected gas concentration is above the prescribed value.
B
C
A
STANDARDS AND APPROVALS
Complies with EN 60730-1 standards


Produkt Specifikationer

Mærke: Fantini Cosmi
Kategori: Gasdetektor
Model: S71

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